Journal of Arrhythmia 30(6) 453-459 2014年12月 [査読有り]
Background The nature and significance of the frequency characteristics of the surface electrocardiogram (ECG) in patients with persistent atrial fibrillation (AF) undergoing radiofrequency ablation are unclear.
Methods Preablation surface and int...
K Sakata H Kumagai M Osaka T Onami T Matsuura M Imai T Saruta
CIRCULATION 106(5) 620-625 2002年7月
Background-Patients with a reduced nonlinear component of heart rate regulation have a poorer outcome.
Methods and Results-We investigated whether a nonlinear correlation between renal sympathetic nerve activity (RSNA) and blood pressure or renal ...
JAPANESE CIRCULATION JOURNAL-ENGLISH EDITION 65(2) 111-116 2001年2月
Atrial fibrillation (AF) is often described as a disorganized phenomenon, but many features that qualitatively suggest an underlying order have recently been reported. The present study aimed to disclose this underlying order of AF in a quantitati...
INTERNATIONAL JOURNAL OF MODERN PHYSICS C 11(8) 1519-1526 2000年12月
To determine the attractor dimension of chaotic dynamics, the box-counting method has the difficulty in getting accurate estimates because the boxes are not weighted by their relative probabilities. We present a new method to minimize this difficu...
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獣医学部